code: def test_set_page_config_menu_items_none(self):
      menu_items = {
          "report a bug": None,
          "GET HELP": None,
          "about": None,
      }
      st.set_page_config(menu_items=menu_items)
      c = self.get_message_from_queue().page_config_changed.menu_items
      self.assertTrue(c.hide_report_a_bug)
      self.assertTrue(c.hide_get_help)
      self.assertEqual(c.about_section_md, "")
  
imports: from unittest import mock
  from parameterized import param, parameterized
  import streamlit
  from streamlit.commands.page_config import ENG_EMOJIS, RANDOM_EMOJIS, PageIcon, valid_url
  from streamlit.errors import StreamlitAPIException
  from streamlit.proto.PageConfig_pb2 import PageConfig
  from streamlit.string_util import is_emoji
  from tests.delta_generator_test_case import DeltaGeneratorTestCase
label_desc: Use image node_id 16 for calling the PageConfigTest obj's underlying member method code with example usage: obj.test_set_page_config_menu_items_none() without return types